Finding the Fourth Proportional to 269,726.10, 404,751.15 and 111,938.10

Step by Step Solution

1. Step 1: Write the proportion equation
   269,726.10 : 404,751.15 = 111,938.10 : x
2. Step 2: Convert to fraction form
   269,726.10/404,751.15 = 111,938.10/x
3. Step 3: Cross multiply
   269,726.10x = 404,751.15 × 111,938.10
4. Step 4: Simplify right side
   269,726.10x = 45,307,074,703.82
5. Step 5: Solve for x
   x = 45,307,074,703.82/269,726.10
6. Step 6: Final answer
   x = 167,974.38